500kW522kWh Micro Grid BESS

Suitable for construction machinery and industrial loads with low continuous power input and high instantaneous power output. Such equipment is typically characterized by high starting current, strong impact loads, and significant operational fluctuations. Conventional low capacity power grids or temporary on-site power supplies often fail to meet these requirements, especially in construction sites, ports, mining areas, and other locations with weak or limited power infrastructure.

Key System Advantages

  • Designed for applications with low continuous power demand and short-duration high-power loads. Supports power input from diesel generators and utility grids.
  • Up to 125 kW power input
  • Up to 500 kW power output
  • Flexible grid-connected and off-grid operation. Seamless VF / PQ mode switching
  • Multiple electrical protection mechanisms with active monitoring and early warning
  • Comprehensive protection functions,including:

Islanding protection, overcurrent protection, reverse polarity protection, and surge protection

  • Bidirectional active balancing technology
  • Effectively improves battery cell consistency and system reliability

System Diagram

Technical Specifications

ModelH522
AC Input Power0-125kW(Diesel/Grid)
AC Output Power0-500kW
AC Input Voltage400Vac (Three-phase Four-wire), 50/60HZ
AC Output Voltage 400Vac (Three-phase Four-wire)
ModuleLFP-166.4V-314Ah-52.2496kWh
Rated Capacity522.496kWh
Rated Voltage832Vdc
Operating Voltage Range715~923Vdc
Maximum Current200A
Isolation MethodNon-isolated
Charge/Discharge Rate1CP
System Life8000 cycles @25°C, 0.5CP, 95% DOD, ≥70% EOL
Output MethodBottom wiring design
Communication InterfaceRS485、CAN、LAN
Altitude≤4000m (Derating above 3000m)
Operating Temperature-20℃ ~ 50℃
Protection LevelIP55
Weight5T
Dimensions (W*D*H)880*1250*2200mm
CertificationGB/T36276、GB/T34131、UL1973、UL9540A、IEC62619、UN38.3

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